Get the D3D11 device associated with a renderer.
ID3D11Device* SDL_RenderGetD3D11Device(SDL_Renderer * renderer);
the renderer from which to get the associated D3D11 device
Returns the D3D11 device associated with given renderer or NULL if it is not a D3D11 renderer; call SDL_GetError() for more information.
Once you are done using the device, you should release it to avoid a resource leak.